PRP Records

Probable Primes Top 10000

(295036 PRPs in the top)


What is a PRP ?

A PRP is a probable prime number, a number that nobody knows how to prove or disprove its primality.
Here are some criterions that can be used to recognize these numbers :

- N does not have any prime factor up to 2^32.
- N cannot be trivially written into a product.
- Take 3 square-free consecutive bases such that (b1/N)=(b2/N)=(b3/N)= -1. N should be such that b1^((N-1)/2)=b2^((N-1)/2)=b3^((N-1)/2)= -1 (mod N).
- Take a prime base such that (b/N)= -1 and b<>b1<>b2<>b3. N should pass the strong test in base b.
- or more (if someone has got an idea) !!!


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1-250   251-500   501-750   751-1000   1001-1250   1251-1500   1501-1750   1751-2000   
2001-2250   2251-2500   2501-2750   2751-3000   3001-3250   3251-3500   3501-3750   3751-4000   
4001-4250   4251-4500   4501-4750   4751-5000   5001-5250   5251-5500   5501-5750   5751-6000   
6001-6250   6251-6500   6501-6750   6751-7000   7001-7250   7251-7500   7501-7750   7751-8000   
8001-8250   8251-8500   8501-8750   8751-9000   9001-9250   9251-9500   9501-9750   9751-10000   


Rank Probable prime Digits (> 50000) Who ? When ?
975122600^21499+21499^2260097913Hans Havermann05/2020
97522^325215+1290997900Lelio R Paula07/2016
975322619^21286+21286^2261997898Hans Havermann04/2020
9754(126852^19321-1)/(126852^139-1)97892Ryan Propper11/2023
9755(85*10^97876-49)/997877Robert Price12/2020
97567*10^97874-6997875Robert Price01/2017
97575*10^97869-6397870Robert Price04/2021
9758(643*32^65022-23)/3197870Eric Chen04/2023
9760(17^79537+5^79537)/2297865Robert Price06/2013
975915^83212+2297865Lelio R Paula08/2016
97612^325087-10905797861Enzo Doria04/2014
97622^325074+187065797858Enzo Doria05/2016
97642^325066-211197855Yves Minet08/2013
9763CopelandErdos(97855)97855Eric W. Weisstein10/2015
9765(8694^24841-1)/869397851Serge Batalov06/2022
9766(21159^22621-1)/2115897843Serge Batalov06/2022
976726660^4677+4677^2666097842Hans Havermann12/2019
976818^77944-8997841Lelio R Paula07/2016
9769119^47136+11897833Norbert Schneider09/2018
97706^125720-1766397830Enzo Doria02/2013
9771(73640^20101-1)/7363997829Serge Batalov06/2022
97722^324972-206997827Yves Minet05/2013
97732^324958-469197823Yves Minet05/2019
9774(8087^25033-1)/808697820Serge Batalov06/2022
97752^324944-278831997818Enzo Doria03/2016
977722845^19112+19112^2284597807Hans Havermann10/2019
9776(317^39107-1)/31697807Anonymous04/2024
9778(2^324898+1270)/297804Stefano Morozzi09/2020
97804*10^97799-997800Erik Branger11/2013
97792^324882+57729457597800Lelio R Paula09/2016
97812^324863-186792197794Enzo Doria04/2016
97826^125662-1847397785Enzo Doria03/2013
978312^90604+1197779Lelio R Paula07/2016
9784(29*10^97751+49)/397752Robert Price09/2021
9785(37108^21391-1)/3710797741Serge Batalov06/2022
97865^139830+2497737Lelio R Paula04/2016
9787(2^324672+1198)/297736Stefano Morozzi09/2020
9788(101*10^97724+7)/997726Robert Price02/2022
97892^324612+115597718Lelio R Paula07/2016
9790(2^324597+3542)/297714Stefano Morozzi09/2020
979119^76404-4497702Lelio R Paula07/2016
9792(5939^25889-1)/593897694Serge Batalov06/2022
97942^324505-298397686Yves Minet04/2011
9793(7740^25121-1)/773997686Serge Batalov06/2022
9795(144^45259+1)/14597684Paul Bourdelais08/2019
9796(31*2^324496-1)/4597683Lelio R Paula02/2014
9797(11234^24109-1)/1123397651Serge Batalov06/2022
97986^125488-1784397649Enzo Doria02/2013
9799(2^324350+3198)/297639Stefano Morozzi09/2020
9800(75638^20011-1)/7563797624Serge Batalov06/2022
98017^115515-297622Lelio R Paula09/2013
9802(15672^23269-1)/1567197613Serge Batalov06/2022
9803(89^50069-1)/8897603Paul Bourdelais08/2017
98046^125418-597595Lelio R Paula11/2014
9805(2^324193+3522)/297592Stefano Morozzi09/2020
9806(2422^28837-1)/242197587Serge Batalov06/2022
9807(2^324172+666)/297586Stefano Morozzi09/2020
98082^324091+11154643597562Paul Bourdelais10/2021
98092^324076+115597557Lelio R Paula07/2016
9810(2^324074+9)/1397555Lelio R Paula10/2013
9811(11*10^97539-71)/397540Robert Price04/2022
9812(55459*2^323993+1)/2197536Lelio R Paula07/2014
981313^87557-12^8755797534Jean-Louis Charton12/2008
98142^323946+7393997518Enzo Doria04/2016
98152^323937+186694797515Enzo Doria03/2016
9816(98339^19531-1)/9833897508Serge Batalov06/2022
98186^125290-1853397495Enzo Doria03/2013
9817(2^323870+1650)/297495Stefano Morozzi09/2020
98192^323845+10197488Lelio R Paula12/2012
982018^77662+6597487Lelio R Paula07/2016
982122634^20265+20265^2263497479Hans Havermann04/2020
9822(5533^26041-1)/553297467Serge Batalov06/2022
98232^323772+7677197466Enzo Doria05/2016
98242^323765-11221397463Enzo Doria06/2014
982522730^19389+19389^2273097457Hans Havermann02/2020
98262^323720-655597450Lelio R Paula07/2016
98272^323694-186040197442Enzo Doria03/2016
982820^74886+397429Lelio R Paula06/2016
982924476^9561+9561^2447697427Hans Havermann01/2020
9830(2^323623+1766)/297420Stefano Morozzi09/2020
9831(3250^27739-1)/324997413Serge Batalov06/2022
98333*10^97399+7397400Robert Price04/2016
98327^115252-5097400Lelio R Paula07/2016
9834(4715^26513-1)/471497392Serge Batalov06/2022
98352^323521+21331797390Enzo Doria09/2023
9836224737#+39358197389Nicolas PALAU12/2016
9837(119374^19321-1)/(119374^139-1)97386Ryan Propper11/2023
9838(2^323468+3186)/297374Stefano Morozzi09/2020
9839(2^323456+538)/297370Stefano Morozzi09/2020
984023277^15236+15236^2327797365Hans Havermann07/2020
9842(26*10^97353+31)/397354Robert Price07/2016
9841(2^323403+3510)/297354Stefano Morozzi09/2020
984323756^12519+12519^2375697342Hans Havermann07/2020
984410^97335+27164197336Patrick De Geest09/2022
984610^97335-400000197335Robert Price07/2021
984510^97335-9819397335Patrick De Geest09/2022
9847(637*10^97331+11)/997333Robert Price10/2021
984823991^11402+11402^2399197332Hans Havermann07/2020
984961^54517-60^5451797331Jean-Louis Charton09/2005
9850(38*10^97329+187)/997330Robert Price11/2017
9851(31147^21661-1)/3114697328Serge Batalov06/2022
985286455!4+897319Robert Price09/2019
985322591^20310+20310^2259197316Hans Havermann06/2020
98542^323261-43117397312Harrison Mesh06/2022
9855(3996^27017-1)/399597302Serge Batalov06/2022
985625101^7520+7520^2510197297Hans Havermann05/2020
9857(233*10^97294+7)/397296Robert Price03/2022
9858p(19982)#/2-102497293Robert Price09/2017
9859(65*10^97288+277)/997289Robert Price08/2021
98606^125021-8597286Lelio R Paula08/2016
98612^323164-4735597283Lelio R Paula07/2016
9862(3^203902+4)/3605101515797276Lelio R Paula09/2013
98632^323054-655597249Lelio R Paula07/2016
986422822^18247+18247^2282297249Hans Havermann02/2020
98659*10^97247-2997248Robert Price05/2017
986624382^9735+9735^2438297244Hans Havermann02/2020
9867(31*10^97242+41)/997243Robert Price04/2015
9868GoldenRatioPrime[97241]97241Eric W. Weisstein06/2009
986912^90098-4197233Lelio R Paula07/2016
98702^322928-21692997212Enzo Doria05/2014
9871(16731^23017-1)/1673097209Serge Batalov06/2022
98723*10^97205-6197206Robert Price04/2021
9873(7*2^322896-1)/5797201Lelio R Paula02/2014
9874(35*10^97194-341)/997195Robert Price08/2021
9875(4872^26357-1)/487197194Serge Batalov06/2022
9876(2^322897+5)/314610748997193Lelio R Paula10/2013
9877(796*10^97183-31)/997185Robert Price07/2022
9878(2^322789+2214)/297169Stefano Morozzi09/2020
98792^322725+7576197150Enzo Doria04/2016
9880(13*2^322686+1)/11997138Lelio R Paula11/2013
9881(2175^29101-1)/217497121Serge Batalov06/2022
988222402^21639+21639^2240297118Hans Havermann07/2020
988323399^14128+14128^2339997108Hans Havermann06/2020
9884(2892^28057-1)/289197108Serge Batalov06/2022
9885(9578^24391-1)/957797104Serge Batalov06/2022
9886(2^322525+2606)/297090Stefano Morozzi09/2020
9887(9563^24391-1)/956297087Serge Batalov06/2022
9888(41*10^97085+373)/997086Robert Price04/2017
9889(2^322473+854)/297074Stefano Morozzi02/2021
98902^322413+7797056Lelio R Paula12/2012
98912^322406+17797054Lelio R Paula12/2012
9892(349^38167-1)/34897050Serge Batalov06/2022
9893(14*10^97044+31)/997045Robert Price02/2015
98942^322302+25525597023Lelio R Paula07/2016
98952^322286+21265997018Enzo Doria09/2023
9896(1302^31147-1)/130197008Serge Batalov06/2022
98972^322196-11309396991Enzo Doria07/2014
9898(2^322169+2690)/296983Stefano Morozzi09/2020
9899(49*10^96980+221)/996981Robert Price02/2022
99009*10^96968-4796969Robert Price11/2021
9901(5895^25717-1)/589496962Serge Batalov06/2022
9902(27473^21841-1)/2747296946Serge Batalov06/2022
990323109^15668+15668^2310996943Hans Havermann07/2020
99042^322000-186146996932Enzo Doria03/2016
99052^321971-11274796923Enzo Doria06/2014
990623754^12023+12023^2375496917Hans Havermann07/2020
990711^93062-9296915Lelio R Paula06/2016
9908(37871^21169-1)/3787096914Serge Batalov06/2022
9909(2^321922+2214)/296908Stefano Morozzi09/2020
9910(2^321900+2086)/296902Stefano Morozzi09/2020
9911(11*2^321841-7)/1596884Renaud Lifchitz03/2011
99123^203051+3496880Lelio R Paula05/2016
99132*10^96867-5196868Robert Price11/2017
9914(2^321779+2618)/296865Stefano Morozzi09/2020
9915(64*10^96863-1)/2796864Serge Batalov05/2010
99162^321716-278693996847Enzo Doria03/2016
991722496^20181+20181^2249696844Hans Havermann03/2020
99182^321701-11305396842Enzo Doria07/2014
99192^321700-2863596842Lelio R Paula06/2016
9920(5*2^321691-1)/2796838Lelio R Paula02/2014
99216*10^96835+1396836Robert Price10/2021
99226^124433-12443396828Robert Price01/2014
99232^321631+6996821Lelio R Paula12/2012
9924(27109^21841-1)/2710896820Serge Batalov06/2022
9925(13*2^321606+1)/11996813Lelio R Paula11/2013
9926(5052^26141-1)/505196809Serge Batalov06/2022
9927(46*10^96798-1)/996799Serge Batalov10/2014
9928(59*10^96798+31)/996799Robert Price09/2015
9929(2^321536+2062)/296792Stefano Morozzi09/2020
9930223319#+23122396790Makoto Morimoto02/2016
99312^321519-2863596787Lelio R Paula06/2016
99322^321487-186723796778Enzo Doria03/2016
99332^321461-6396770Lelio R Paula12/2012
9934(16053^23011-1)/1605296770Serge Batalov06/2022
99352^321439+12396763Lelio R Paula12/2012
99362^321434+70996762Lelio R Paula02/2013
99372^321419+2270396757Enzo Doria09/2023
9938(2^321415+554)/296756Stefano Morozzi09/2020
993914^84413+8996749Lelio R Paula07/2016
9940(28*10^96743+71)/996744Serge Batalov12/2008
994113^86847+9696743Lelio R Paula06/2016
99429*2^321336-796733Lelio R Paula08/2014
9943(209*10^96722-17)/396724Robert Price05/2017
9944(54163^20431-1)/5416296710Serge Batalov06/2022
99452^321237-461596702Yves Minet05/2019
9946(27273^21799-1)/2727296691Serge Batalov06/2022
99472^321187-115996687Yves Minet11/2012
99482^321182-185008196686Enzo Doria08/2015
995023359^13768+13768^2335996680Hans Havermann06/2020
9949(65630^20071-1)/6562996680Serge Batalov06/2022
99512^321116-11282996666Enzo Doria06/2014
99522^321108-10949996664Enzo Doria04/2014
99532^321098+279385996661Enzo Doria03/2016
9954(2^321100+1170)/296661Stefano Morozzi09/2020
99552^321057+409796648Lelio R Paula06/2016
9956(4435*29^66081-4)/796640Curtis Bright05/2015
995722743^17750+17750^2274396640Hans Havermann04/2020
995822882^16679+16679^2288296612Hans Havermann02/2020
995923452^13163+13163^2345296608Hans Havermann02/2020
9960(1042^32009-1)/104196596Serge Batalov06/2022
9961(85*10^96594-373)/996595Robert Price05/2021
9962(2^320863+666)/296590Stefano Morozzi09/2020
9963p(19849)#/2-6496581Robert Price04/2017
99642^320817+18996576Lelio R Paula12/2012
99652^320816-468596576Yves Minet05/2019
9967(361*10^96567-163)/996569Robert Price10/2017
9966(19*10^96568+137)/396569Robert Price03/2022
99682^320788-11032796567Enzo Doria05/2014
9969(3065^27697-1)/306496561Serge Batalov06/2022
99702^320764+79396560Lelio R Paula02/2013
9971(2^320752+1842)/296556Stefano Morozzi02/2021
9972(48331^20611-1)/4833096542Serge Batalov06/2022
9973(107746^19321-1)/(107746^139-1)96532Ryan Propper11/2023
9974(50595^20521-1)/5059496529Serge Batalov06/2022
9975(9179*2^320652-1)/22196528Lelio R Paula05/2015
997623288^13947+13947^2328896517Hans Havermann07/2020
99782^320616-7879596516Lelio R Paula03/2016
9977(19*10^96520+287)/9/109/40996516Alfred Reich11/2022
99792^320612-46193996514Enzo Doria07/2015
9980(21245^22303-1)/2124496507Serge Batalov06/2022
998110^96504+98765432196505Robert Price12/2019
998210^96504+7188796505Patrick De Geest02/2020
998322654^18195+18195^2265496505Hans Havermann07/2020
998410^96504-13927796504Patrick De Geest02/2020
9985(218^41263-1)/21796490Serge Batalov06/2022
9986(47220^20641-1)/4721996474Serge Batalov06/2022
99875*2^320431+796461Lelio R Paula08/2014
998819^75431-9096458Lelio R Paula06/2016
9989(11853^23677-1)/1185296452Serge Batalov06/2022
9990(2^320386+2814)/296446Stefano Morozzi02/2021
9991(2^320370+3)/6796440Lelio R Paula10/2013
99923*10^96431-1796432Robert Price03/2021
99932^320309+187147796423Enzo Doria05/2016
9994(10412^24001-1)/1041196421Serge Batalov06/2022
9995tau(809^6028)96410Nik Lygeros / Olivier Rozier / LR team10/2013
9996(29*10^96407-23)/396408Robert Price03/2022
9997(21*2^320252-1)/189596404Lelio R Paula02/2014
99982^320232-17396400Lelio R Paula12/2012
9999175^42975-296395Lelio R Paula10/2017
10000(2^320170+2718)/296381Stefano Morozzi09/2020


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Created by  Henri Lifchitz & Renaud Lifchitz : October, 26 2000, last modification: April, 23 2024 10:10 (Time in France)

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